import java.net.*;
import java.util.*;
public class Server_Main{
	public static void main(String args[]){
		Scanner scanner = new Scanner(System.in);
		Thread readData;
		ReceiveLetterForServer receiver = new ReceiveLetterForServer();
			try{
			readData = new Thread(receiver);
			readData.start();
			byte []buffer= new byte[1];
			InetAddress address =InetAddress.getByName("127.0.0.1"); 
			DatagramPacket datapack=
			new DatagramPacket(buffer,buffer.length,address,888);
			DatagramSocket postman = new DatagramSocket();
			System.out.print("输入发送给客户端的信息:");
			while (scanner.hasNext()){
				String mess = scanner.nextLine();
				buffer = mess.getBytes();
				if(mess.length()==0)
				System.exit(0);
				buffer= mess.getBytes();
				datapack.setData(buffer);
				postman.send(datapack);
				System.out.print("继续输入发送给客户端的信息:");
			}
			}
			catch(Exception e){
				System.out.println(e);
			}
	}
}